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Consider the addition of HBr to 3,3-Dime...

Consider the addition of HBr to 3,3-Dimethyl-1-butene shown below. What is the best mechanistic explanation for the formation of the observed product ?

A

Protonation of the alkene followed by a hydride shift and addition of bromide to the carbocation

B

Double bond shift in the alkene following by the protonation and addition of bromide to the carbocation

C

Addition of bromide to the alkene followed by a double bond shift and protonation

D

Protonation of the alkene followed by a methyl shift and addition of bromide to the carbocation

Text Solution

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The correct Answer is:
D
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MS CHOUHAN-HYDROCARBONS (ALKENES)-LEVEL-2
  1. Consider the addition of HBr to 3,3-Dimethyl-1-butene shown below. Wha...

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  2. In each reagent box write a letter designating the best reagent and co...

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  3. Propene (CH3 – CH = CH2) can be transformed to compounds (a to j) list...

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  4. In each reaction box write a single letter designating the best reagen...

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  5. Match the reagents a-j with products A-J. There is one best product fo...

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  6. Match the column :

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  7. Match the column I with column II and with column III (Matrix).

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  8. Match the column I and II.

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  9. Sum of molecular mass of A, B, C, D (i.e. A+B + C + D) is equal to :

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  10. underset("(all isomers) ")(C2FClBrl) underset(Ni) overset(H2)to (A)(ex...

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  11. How many products are formed by sum of P,Q,R,S ?

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  12. Vladimir Markovnikov rule : Alkenes undergo electrophilic addition rea...

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  13. Vladimir Markovnikov rule : Alkenes undergo electrophilic addition rea...

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  14. Vladimir Markovnikov rule : Alkenes undergo electrophilic addition rea...

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  15. Vladimir Markovnikov rule : Alkenes undergo electrophilic addition rea...

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  16. Vladimir Markovnikov rule : Alkenes undergo electrophilic addition rea...

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  17. Vladimir Markovnikov rule : Alkenes undergo electrophilic addition rea...

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  18. CH3 - CH2-CH=CH2+CH2 OH overset(H^(o+))to CH3-CH2- underset(OCH3) un...

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  19. CH3 - CH2-CH=CH2+CH2 OH overset(H^(o+))to CH3-CH2- underset(OCH3) un...

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  20. CH3 - CH2-CH=CH2+CH2 OH overset(H^(o+))to CH3-CH2- underset(OCH3) un...

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  21. CH3 - CH2-CH=CH2+CH2 OH overset(H^(o+))to CH3-CH2- underset(OCH3) un...

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